[3.14] gh-143200: fix UAFs in Element.__{set,get}item__ when the element is concurrently mutated (GH-143226)
#143273
+85
−31
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…ment is concurrently mutated (pythonGH-143226) (cherry picked from commit b6b0e14) Co-authored-by: Bénédikt Tran <[email protected]>
This was referenced Dec 29, 2025
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(cherry picked from commit b6b0e14)
Co-authored-by: Bénédikt Tran [email protected]
element_[ass_]subscrvia re-entrant calls #143200